void OnGUI()
{
if (GUI.Button(new Rect(Screen.width * 0.2f, Screen.height * 0.3f, 60f, 30f), "Mark all"))
{
List <GameObject> spawnedCells = cardController.spawnedCells;
foreach (GameObject cell in spawnedCells)
{
CardCellController cellController = cell.GetComponent <CardCellController>();
cellController.OnMouseDown();
}
}
}
